IEC Standards IEC TR 63304-2021 pdf free download – Methods of measurement of the magnetic properties of permanent magnet (magnetically hard) materials in an open magnetic circuit using a superconducting magnet IEC TR 63304-2021 pdf free download - Methods of measurement of the magnetic properties of permanent magnet (magnetically hard) materials in an open magnetic circuit using a superconducting magnet. The magnetic dipole moment of the test specimen... 02-16 Download Now